Text on poster: "From the earth came many forms of vegetation and plant growth. From the beginning our people learnt to extract various saps and liquids from the vegeation to treat sickness, both physically and spiritually. Medical extracts varied as the environments and seasons changed. Great authority was given to the knowledge learnt for the treatment of sickness

Text on poster: "From the earth came many forms of vegetation and plant growth. From the beginning our people learnt to extract various saps and liquids from the vegeation to treat sickness, both physically and spiritually. Medical extracts varied as the environments and seasons changed. Great authority was given to the knowledge learnt for the treatment of sickness

Text on poster: "From the earth came many forms of vegetation and plant growth. From the beginning our people learnt to extract various saps and liquids from the vegeation to treat sickness, both physically and spiritually. Medical extracts varied as the environments and seasons changed. Great authority was given to the knowledge learnt for the treatment of sickness